Home / 186,385,806.40-279,662,690.40-89,304,001.60

Finding the Fourth Proportional to 186,385,806.40, 279,662,690.40 and 89,304,001.60

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Solution

The fourth proportional to 186,385,806.40, 279,662,690.40 and 89,304,001.60 is: 133,996,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,385,806.40 : 279,662,690.40 = 89,304,001.60 : x
  2. Step 2: Convert to fraction form
    186,385,806.40/279,662,690.40 = 89,304,001.60/x
  3. Step 3: Cross multiply
    186,385,806.40x = 279,662,690.40 × 89,304,001.60
  4. Step 4: Simplify right side
    186,385,806.40x = 24,974,997,350,941,900
  5. Step 5: Solve for x
    x = 24,974,997,350,941,900/186,385,806.40
  6. Step 6: Final answer
    x = 133,996,240.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.